2 years ago

If the gas begins at the conditions described in Trial 1, determine the volume of the gas at STP.

Chemistry

1 answer:

Gwar [14]2 years ago

5 0

I think it is d.
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What is the mass of 2.5 mol of ca, which has a molar mass of g/mol

swat32

Atomic mass Ca = 40 a.m.u

1 mole Ca ----------- 40 g
2.5 mols Ca -------- ( mass Ca )

Mass Ca = 2.5 x 40 / 1

Mass Ca = 100 / 1

= 100 g of Ca

hope this helps!

3 0

2 years ago

How many grams are in 0.02 moles of beryllium iodide, Bel2?

Flura [38]

This set up of a conversion table should show you that if you multiply the grams of BeI2 times .02 moles, it equals <span>5.256 g (your answer) </span>